78916860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{39857}}^1$

素因数の和:39883

約数の個数: 72

約数和(自身を含む): 261149616

約数和(自身を除く): 182232756

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 39857, 79714, 119571, 159428, 199285, 239142, 358713, 398570, 438427, 478284, 597855, 717426, 797140, 876854, 1195710, 1315281, 1434852, 1753708, 1793565, 2192135, 2391420, 2630562, 3587130, 3945843, 4384270, 5261124, 6576405, 7174260, 7891686, 8768540, 13152810, 15783372, 19729215, 26305620, 39458430, 78916860]

約数ペア:

[(1, 78916860), (2, 39458430), (3, 26305620), (4, 19729215), (5, 15783372), (6, 13152810), (9, 8768540), (10, 7891686), (11, 7174260), (12, 6576405), (15, 5261124), (18, 4384270), (20, 3945843), (22, 3587130), (30, 2630562), (33, 2391420), (36, 2192135), (44, 1793565), (45, 1753708), (55, 1434852), (60, 1315281), (66, 1195710), (90, 876854), (99, 797140), (110, 717426), (132, 597855), (165, 478284), (180, 438427), (198, 398570), (220, 358713), (330, 239142), (396, 199285), (495, 159428), (660, 119571), (990, 79714), (1980, 39857)]